8201540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 18385920

約数和(自身を除く): 10184380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 113, 190, 191, 226, 380, 382, 452, 565, 764, 955, 1130, 1910, 2147, 2260, 3629, 3820, 4294, 7258, 8588, 10735, 14516, 18145, 21470, 21583, 36290, 42940, 43166, 72580, 86332, 107915, 215830, 410077, 431660, 820154, 1640308, 2050385, 4100770, 8201540]

約数ペア:

[(1, 8201540), (2, 4100770), (4, 2050385), (5, 1640308), (10, 820154), (19, 431660), (20, 410077), (38, 215830), (76, 107915), (95, 86332), (113, 72580), (190, 43166), (191, 42940), (226, 36290), (380, 21583), (382, 21470), (452, 18145), (565, 14516), (764, 10735), (955, 8588), (1130, 7258), (1910, 4294), (2147, 3820), (2260, 3629)]